WSCN25 CWAO 270502
CZUL SIGMET C3 VALID 270500/270900 CWUL-
CZUL MONTREAL FIR FRQ TS OBS WI /N5059 W07646/45 SW CYHH - /N4941 W07602/60 W
CYMT - /N4934 W07906/45 W CYNM - /N5017 W07821/45 NW CYNM - /N5059 W07646/45 SW
CYHH TOP FL420 MOV ESE 20KT WKN
RMK GFACN33/CZYZ TORONTO FIR SIGMET D3=